In Context

13 And thou, speak unto the sons of Israel, saying, Only, My sabbaths ye do keep, for it is a sign between Me and you, to your generations, to know that I, Jehovah, am sanctifying you;

14 and ye have kept the sabbath, for it is holy to you, he who is polluting it is certainly put to death — for any who doeth work in it — that person hath even been cut off from the midst of his people.

15 Six days is work done, and in the seventh day is a sabbath of holy rest to Jehovah; any who doeth work in the sabbath-day is certainly put to death,

16 and the sons of Israel have observed the sabbath; to keep the sabbath to their generations is a covenant age-during,

17 between Me and the sons of Israel it is a sign — to the age; for six days Jehovah made the heavens and the earth, and in the seventh day He hath ceased, and is refreshed.'

18 And He giveth unto Moses, when He finisheth speaking with him in mount Sinai, two tables of the testimony, tables of stone, written by the finger of God.

Exodus 31:16 in Other Translations